A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells . out 20 (China,16 ; W. America, 4.) Low water to 100 fathoms. Fossil, 300 sp. Chalk—. Brit., France, &c. Chile. Sub-genera. Drillia, Gray. D. umbilicata, canal short. Clavatula, Lam., canal short, operc. pointed, nucleus in the middle of theinner edge. C. mitra, PI. VII., fig. 4. Tomella, Sw., canal long ; inner lip callous near suture. T. lineata. Clionella, Gray. C. sinuata. Born sp. (= P. buccinoides) fi-eshwaters,Africa. Mangelia, Leach, (not Reeve). Apertural slit at the suture ; no operc,M. teeniata, PL VII
A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells . out 20 (China,16 ; W. America, 4.) Low water to 100 fathoms. Fossil, 300 sp. Chalk—. Brit., France, &c. Chile. Sub-genera. Drillia, Gray. D. umbilicata, canal short. Clavatula, Lam., canal short, operc. pointed, nucleus in the middle of theinner edge. C. mitra, PI. VII., fig. 4. Tomella, Sw., canal long ; inner lip callous near suture. T. lineata. Clionella, Gray. C. sinuata. Born sp. (= P. buccinoides) fi-eshwaters,Africa. Mangelia, Leach, (not Reeve). Apertural slit at the suture ; no operc,M. teeniata, PL VII., fig. 5. Greenland, Brit., Medit. Bela, Leach. Operc. nucleus apical. B. turricula, PI. VII., fig. 6. Defrancia, MiUet,* no operc. D. linearis, PI. VII., fig. 7- . Lachesis, Risso, L. minima, PI. VIL, fig. 8, apex mammiUated ; Medit., S. Brit. In shallow water. Daphnella, Hinds. D. marmorata. New Guinea. (Buc. junceum. L. clay). FAMILY V. VoLUTiD^E. Shell tiirreted, or convolute ; aperture notched in frontliquely plaited. No operculum. columella ob-. Fig. with a recurved siphon ; foot very large partly hiding the shell: * According to Mr. S. Hanley, Defrancia is synonymous with Fig. 73. V. undulata, Lam. ^ Australia (from Quoy and Gaimard), GASTEROPODA. 119 mantle often lobcd and reflected over the shell; eyes on the tentacles, or neartheii- base. Lingual ribbon linear ; rachis toothed ; pleurce uuai-med. VoLUTA, L. , V. musica, PL VII., fig. 9. Syn., cymbiola, harpula, Sw. Volutclla, DOrb. Scapha, &c., ventricose, thick ; spire short, apex manimillated ; aperture large,deeply notched in front; columella with several plaits. V. musica and a fewothers have a smaU operculum. Animal, eyes on lobes at the base of the tentacles ; siphon with a lobe oneach side, at its base; lingual teeth 3 cusped. V. vespertilio and hehrcea till the nuclei of their spiics with solid brasiliana forms nidamcntal capsules 3 inc
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectmollusks, bookyear185
